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KsStreamPointerLock rule ()

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The KsStreamPointerLock rule specifies that a kernel-streaming (KS) miniport driver uses the KsStreamPointerLock and KsStreamPointerUnlock functions in the correct sequence.

That is, the miniport driver must not try to lock a stream pointer that is already locked, or try to unlock a stream pointer that is not already locked.

Driver model: KS

Bug check(s) found with this rule: Bug Check 0xC4: DRIVER_VERIFIER_DETECTED_VIOLATION (0x00081003)

How to test

At run time

To verify this rule, open a Command Prompt window. Enter a Driver Verifier command and specify /domain ks.

For example:

verifier /domain ks [options] /driver <yourdriver>

For more information, see Driver Verifier.